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Sirio CX 4-68 4 Meter Antenna

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Sirio CX-4-68
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Sirio CX-4-68
Sirio CX 4-68 4 Meter Antenna
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Part Number: CX-4-68
RRP: £ 83.94
£59.95 ( £49.96 EXC. VAT )
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£11.95
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Product Information
  • Overview
Quality 3/4 wave coaxial J-pole type 4 Metre, Amateur Band, base antenna, designed to work between 68 and 73 Mhz. The 4 metre (70Mhz) Amateur band is much more active now, and this antenna will give great performance too.                  

       Features:
  • 4 Metre Base station vertical co-linear antenna
  • Low-gain, Omnidirectional
  • Protection from static discharges DC-Ground
  • Made of aluminium alloy 6063 T-832
       Electrical Data: 
  • Type: 3/4 wave coaxial J-pole
  • Frequency range: tunable 68...73 Mhz
  • Full coverage of 4 metre Amateur Band 
  • Impedance: 50 Ohms
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): beamwidth @ -3 dB = 60°
  • Radiation angle: 3°
  • Polarization: linear vertical
  • Gain: 2dBd - 4.15 dBi
  • Bandwidth @ SWR 1:1.5: 1.7 MHz @ 68 Mhz
  • SWR. @ res. freq.1:1.2
  • Max. Power (CW) @ 30°C: 500 Watts
  • Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short
  • Connector: UHF-female
       Mechanical Data:
  • Materials: Aluminium, Brass, Stainless Steel, Nylon
  • Wind load / resistance: 97 N @ 150 Km/h / 150 Km/h
  • Wind surface: 0.08 m²
  • Height (approx.): from 2700 to 3360 mm
  • Weight (approx.): 1900 gr
  • Mounting mast: Ø 35-42 mm
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